Earthquake with magnitude of ML 0.1 on date 08-08-2022 and time 13:54:16 (UTC) in region 5 km W Massello (TO)

A magnitude ML 0.1 earthquake occured in region: 5 km W Massello (TO), on

  • 08-08-2022 13:54:16 (UTC)
  • 08-08-2022 15:54:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9770, 7.0040 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Massello TO 5 51 51
Salza di Pinerolo TO 6 75 126
Pragelato TO 7 776 902
Fenestrelle TO 8 544 1446
Usseaux TO 8 186 1632
Perrero TO 10 659 2291
Sestriere TO 10 929 3220
Prali TO 10 246 3466
Roure TO 10 848 4314
Sauze di Cesana TO 12 244 4558
Sauze d'Oulx TO 13 1109 5667
Salbertrand TO 14 596 6263
Pomaretto TO 14 1009 7272
Exilles TO 15 273 7545
Oulx TO 15 3307 10852
Perosa Argentina TO 15 3285 14137
Chiomonte TO 16 916 15053
Gravere TO 17 692 15745
Cesana Torinese TO 17 967 16712
Meana di Susa TO 17 826 17538
Inverso Pinasca TO 17 730 18268
Mattie TO 18 687 18955
Pinasca TO 18 3051 22006
Susa TO 18 6466 28472
Giaglione TO 18 631 29103
Pramollo TO 18 258 29361
Mompantero TO 19 659 30020
Venaus TO 20 907 30927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km W of Moncalieri (57294 inhabitants)
54 Km W of Torino (890529 inhabitants)
78 Km NW of Cuneo (56081 inhabitants)
95 Km W of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 0.1 2022-08-08
13:54:16
44.9768 7.004 10 2023-01-31
19:03:58
Bollettino Sismico Italiano INGV 113434071
Reviewed
Rev100
ML 0.1 2022-08-08
13:54:16
44.9987 6.9927 10 2022-08-08
14:04:44
Sala Sismica INGV-Roma 108286201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-08 13:54:16 ± 0.15
Latitude 44.9768 ± 0.0126
Longitude 7.0040 ± 0.0102
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113434071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1410
Semi-minor axis of confidence ellipse (meter) 740
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.16098
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 113434071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-09 17:19:47

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 108286201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-08 14:04:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2022-08-08T13:54:26.25 0.6 undecidable manual S 47 27.9498 50 -0.32 49
GU.BHB.HHZ. 2022-08-08T13:54:25.99 0.6 undecidable manual S 128 25.6521 50 0.02 52
GU.RRL.HHZ. 2022-08-08T13:54:23.20 0.3 undecidable manual S 250 17.871 119 -0.33 75
GU.RSP.HHZ. 2022-08-08T13:54:22.48 0.3 undecidable manual P 47 27.9498 50 0.2 75
GU.BHB.HHZ. 2022-08-08T13:54:21.84 0.3 undecidable manual P 128 25.6521 50 -0.09 77
GU.RRL.HHZ. 2022-08-08T13:54:20.83 0.1 negative manual P 250 17.871 119 0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHE. ML:-0.2 0.000003405457 0.3584 AML other m 2022-08-08T13:54:24.55
GU.BHB.HHN. ML:0.2 0.0000111679845 0.096 AML other m 2022-08-08T13:54:26.13
GU.BHB.HHE. ML:0.2 0.000008842727 0.0768 AML other m 2022-08-08T13:54:26.17
GU.RSP.HHN. ML:0.0 0.000006520931 0.1024 AML other m 2022-08-08T13:54:26.40
GU.RSP.HHE. ML:0.0 0.0000074663524999999994 0.096 AML other m 2022-08-08T13:54:26.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download